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WO1997026397A3 - Method and device for making a composite material - Google Patents

Method and device for making a composite material Download PDF

Info

Publication number
WO1997026397A3
WO1997026397A3 PCT/FR1997/000101 FR9700101W WO9726397A3 WO 1997026397 A3 WO1997026397 A3 WO 1997026397A3 FR 9700101 W FR9700101 W FR 9700101W WO 9726397 A3 WO9726397 A3 WO 9726397A3
Authority
WO
WIPO (PCT)
Prior art keywords
yarns
glass
organic material
making
compressed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/FR1997/000101
Other languages
French (fr)
Other versions
WO1997026397A2 (en
Inventor
Jean-Paul Debalme
Dominique Loubinoux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Adfors SAS
Original Assignee
Vetrotex France SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to NZ326389A priority Critical patent/NZ326389A/en
Priority to UA97105082A priority patent/UA54387C2/en
Priority to DE69704302T priority patent/DE69704302T2/en
Priority to AU14478/97A priority patent/AU705872B2/en
Priority to JP9525756A priority patent/JPH11502274A/en
Priority to US08/913,518 priority patent/US7005024B2/en
Priority to AT97901119T priority patent/ATE199947T1/en
Priority to DK97901119T priority patent/DK0815307T3/en
Priority to EP97901119A priority patent/EP0815307B1/en
Priority to MX9707122A priority patent/MX9707122A/en
Priority to PL97322303A priority patent/PL183409B1/en
Priority to CA002215491A priority patent/CA2215491C/en
Application filed by Vetrotex France SA filed Critical Vetrotex France SA
Priority to SK1275-97A priority patent/SK285063B6/en
Priority to BR9704627-2A priority patent/BR9704627A/en
Publication of WO1997026397A2 publication Critical patent/WO1997026397A2/en
Priority to NO19974311A priority patent/NO313205B1/en
Publication of WO1997026397A3 publication Critical patent/WO1997026397A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
    • B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
    • B29B15/10—Coating or impregnating independently of the moulding or shaping step
    • B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/50—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC]
    • B29C70/504—Shaping or impregnating by compression not applied for producing articles of indefinite length, e.g. prepregs, sheet moulding compounds [SMC] or cross moulding compounds [XMC] using rollers or pressure bands
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D04H1/4218—Glass fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/736—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged characterised by the apparatus for arranging fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/002—Inorganic yarns or filaments
    • D04H3/004—Glass yarns or filaments
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Reinforced Plastic Materials (AREA)
  • Laminated Bodies (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Nonwoven Fabrics (AREA)
  • Moulding By Coating Moulds (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A method for making a composite material by continuously depositing glass yarns on a moving substrate, at least 80 wt % of the yarns being blended yarns consisting of intimately mixed glass filaments and thermoplastic organic material filaments, and the amount of deposited glass being equal to over 40 wt % of the total amount of material deposited in the form of glass yarns and organic material; transferring the combined glass yarns and organic material to a number of areas where they are heated, compressed and cooled, and specifically heated and/or cooled while simultaneously being compressed; and cutting the resulting assembly into plates or winding it onto a revolving drum.
PCT/FR1997/000101 1996-01-19 1997-01-17 Method and device for making a composite material Ceased WO1997026397A2 (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
UA97105082A UA54387C2 (en) 1996-01-19 1997-01-17 Method and device for making composite material
DE69704302T DE69704302T2 (en) 1996-01-19 1997-01-17 METHOD AND DEVICE FOR PRODUCING A COMPOSITE MATERIAL
AU14478/97A AU705872B2 (en) 1996-01-19 1997-01-17 Process and device for the manufacture of a composite material
JP9525756A JPH11502274A (en) 1996-01-19 1997-01-17 Method and apparatus for producing composite material
US08/913,518 US7005024B2 (en) 1996-01-19 1997-01-17 Process and device for the manufacture of a composite material
AT97901119T ATE199947T1 (en) 1996-01-19 1997-01-17 METHOD AND DEVICE FOR PRODUCING A COMPOSITE MATERIAL
DK97901119T DK0815307T3 (en) 1996-01-19 1997-01-17 Method and apparatus for making a composite material
MX9707122A MX9707122A (en) 1996-01-19 1997-01-17 Method and device for making a composite material.
EP97901119A EP0815307B1 (en) 1996-01-19 1997-01-17 Method and device for making a composite material
NZ326389A NZ326389A (en) 1996-01-19 1997-01-17 Composite material made by depositing glass yarns on substrate then heating, compressing, cooling, cutting and winding on drum
CA002215491A CA2215491C (en) 1996-01-19 1997-01-17 Method and device for making a composite material
PL97322303A PL183409B1 (en) 1996-01-19 1997-01-17 Method of and apparatus for making a composite material
SK1275-97A SK285063B6 (en) 1996-01-19 1997-01-17 Method and device for making a composite material
BR9704627-2A BR9704627A (en) 1996-01-19 1997-01-17 Manufacturing process of a composite product obtained by the association of glass threads and a thermoplastic organic material in the filament state and device for the execution of the process
NO19974311A NO313205B1 (en) 1996-01-19 1997-09-18 Method and apparatus for making a composite material

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9600578A FR2743822B1 (en) 1996-01-19 1996-01-19 PROCESS AND DEVICE FOR MANUFACTURING A COMPOSITE MATERIAL
FR96/00578 1996-01-19

Publications (2)

Publication Number Publication Date
WO1997026397A2 WO1997026397A2 (en) 1997-07-24
WO1997026397A3 true WO1997026397A3 (en) 1997-10-02

Family

ID=9488253

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR1997/000101 Ceased WO1997026397A2 (en) 1996-01-19 1997-01-17 Method and device for making a composite material

Country Status (24)

Country Link
US (1) US7005024B2 (en)
EP (1) EP0815307B1 (en)
JP (1) JPH11502274A (en)
KR (1) KR100410712B1 (en)
CN (1) CN1086007C (en)
AR (1) AR005467A1 (en)
AT (1) ATE199947T1 (en)
AU (1) AU705872B2 (en)
BR (1) BR9704627A (en)
CA (1) CA2215491C (en)
CZ (1) CZ296304B6 (en)
DE (1) DE69704302T2 (en)
DK (1) DK0815307T3 (en)
ES (1) ES2157059T3 (en)
FR (1) FR2743822B1 (en)
MX (1) MX9707122A (en)
NO (1) NO313205B1 (en)
NZ (1) NZ326389A (en)
PL (1) PL183409B1 (en)
RU (1) RU2178027C2 (en)
SK (1) SK285063B6 (en)
TW (1) TW349905B (en)
UA (1) UA54387C2 (en)
WO (1) WO1997026397A2 (en)

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US6010785A (en) * 1998-02-25 2000-01-04 E. I. Du Pont De Nemours And Company Cardable blends of dual glass fibers
FR2784931B1 (en) * 1998-10-23 2001-02-09 Vetrotex France Sa PROCESS FOR PRODUCING A COMPOSITE TAPE FORMED OF REINFORCING FIBERS AND ORGANIC THERMOPLASTIC MATERIAL
FR2797892B1 (en) * 1999-08-27 2002-08-30 Vetrotex France Sa PROCESS AND DEVICE FOR MANUFACTURING COMPOSITE PLATES
CA2304403A1 (en) * 1999-10-20 2001-04-20 Jean-Paul Debalme Process for manufacturing a composite strand formed of reinforcing fibres and organic thermoplastic material
DK173918B1 (en) * 2000-02-17 2002-02-18 Thermo Comp Aps Method and apparatus for making composite sheets
DE10105813A1 (en) * 2001-02-08 2002-08-14 Quadrant Plastic Composites Ag Process for the production of a thermoplastically deformable, fiber-reinforced semi-finished product
FR2821631B1 (en) 2001-03-01 2003-09-19 Saint Gobain Vetrotex METHOD AND DEVICE FOR MANUFACTURING A COMPOSITE PLATE WITH MULTIAXIAL FIBROUS REINFORCEMENT
DE10114553A1 (en) 2001-03-24 2002-09-26 Quadrant Plastic Composites Ag Continuous production of glass mat reinforced thermoplastic sheet for molding automotive components involves laying down thermoplastic and reinforcing fibers to a fleece, heating and consolidating
FR2823510B1 (en) * 2001-04-11 2003-06-06 Saint Gobain Vetrotex METHOD, MATS MANUFACTURING INSTALLATION AND USE THEREOF
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FR2862316B1 (en) * 2003-11-17 2006-02-10 Gilbert Chomarat FIBER REINFORCING PRODUCT AND PROCESS FOR PRODUCING THE SAME
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US20060257678A1 (en) * 2005-05-10 2006-11-16 Benson Olester Jr Fiber reinforced optical films
US20060255486A1 (en) * 2005-05-10 2006-11-16 Benson Olester Jr Method of manufacturing composite optical body containing inorganic fibers
US20070153162A1 (en) * 2005-12-30 2007-07-05 Wright Robin E Reinforced reflective polarizer films
US20070236939A1 (en) * 2006-03-31 2007-10-11 3M Innovative Properties Company Structured Composite Optical Films
US20070237938A1 (en) * 2006-03-31 2007-10-11 3M Innovative Properties Company Reinforced Optical Films
US20070236938A1 (en) * 2006-03-31 2007-10-11 3M Innovative Properties Company Structured Composite Optical Films
EP2338666B1 (en) * 2009-12-22 2013-07-03 Eurocopter Deutschland GmbH Semi-finished product and preform used to manufacture a part made form composite material
CN102978830B (en) * 2011-09-02 2016-04-06 上海杰事杰新材料(集团)股份有限公司 A kind of glass fibre/flame-retardant polypropylene fibre light composite board and preparation method thereof
RU2494953C1 (en) * 2012-04-24 2013-10-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Московский государственный технологический университет "СТАНКИН" (ФГБОУ ВПО МГТУ "СТАНКИН") Method of feeding reinforcement fibres for process lines of continuous production of articles of polymer composites
CH706511A1 (en) * 2012-05-15 2013-11-15 Bba Innova Ag A process for producing powder of a more granular, thermoplastic material and apparatus for producing chips from a powdered thermoplastic material.
KR101442735B1 (en) * 2013-07-04 2014-09-25 주식회사 라지 Device for manufacturing composite with film and continuous fiber
KR101626305B1 (en) * 2014-02-03 2016-06-01 한화첨단소재 주식회사 Apparatus and method for forming complex materials with continuous braiding type fiber reinforced thermoplasticity resins
KR101657579B1 (en) * 2014-12-31 2016-09-19 한국항공우주산업 주식회사 Molding apparatus of raw material for aircraft reinforcement
US12319016B2 (en) 2015-07-08 2025-06-03 Johns Manville System for producing a fully impregnated thermoplastic prepreg
US11534991B2 (en) * 2015-07-08 2022-12-27 Johns Manville System for producing a fully impregnated thermoplastic prepreg
US10220601B2 (en) * 2016-03-01 2019-03-05 Talon Technologies, Inc. Multi-feed system
FR3067961B1 (en) 2017-06-22 2020-11-06 Arkema France METHOD OF MANUFACTURING A FIBROUS MATERIAL IMPREGNATED WITH THERMOPLASTIC POLYMER
KR102002403B1 (en) * 2017-08-11 2019-07-23 주식회사 캠스 Manufacturing Method For beam
US10717245B2 (en) * 2018-04-03 2020-07-21 Johns Manville System for producing a fully impregnated thermoplastic prepreg
FR3085127B1 (en) 2018-08-22 2020-11-13 Faurecia Automotive Ind METHOD OF MANUFACTURING A PRECURSOR OF A COMPOSITE SKIN FOR A STRUCTURAL PART AND METHOD OF MANUFACTURING SUCH STRUCTURAL PART
CN109176725A (en) * 2018-11-01 2019-01-11 盐城市华森机械有限公司 Automatic punching and forming production line for flocking composite material
CN111455560B (en) * 2020-04-27 2022-07-05 邵庆河 An intelligent diaper batting processing equipment

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US5021289A (en) * 1988-11-15 1991-06-04 Eastman Kodak Company Reinforced polymeric sheet material
US5227236A (en) * 1991-07-29 1993-07-13 Basf Aktiengesellschaft Process for preparing thermoplastic matrix fiber-reinforced prepregs and composite structure products formed thereby
US5264274A (en) * 1991-02-04 1993-11-23 Honda Giken Kogyo Kabushiki Kaisha Thermoplastic composite material having improved toughness and method of producing same
WO1994021452A1 (en) * 1993-03-24 1994-09-29 E.I. Du Pont De Nemours And Company Wet-laid sheet material and composites thereof

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US4818318A (en) * 1984-03-15 1989-04-04 Hoechst Celanese Corp. Method of forming composite fiber blends
US5021289A (en) * 1988-11-15 1991-06-04 Eastman Kodak Company Reinforced polymeric sheet material
US5264274A (en) * 1991-02-04 1993-11-23 Honda Giken Kogyo Kabushiki Kaisha Thermoplastic composite material having improved toughness and method of producing same
US5227236A (en) * 1991-07-29 1993-07-13 Basf Aktiengesellschaft Process for preparing thermoplastic matrix fiber-reinforced prepregs and composite structure products formed thereby
WO1994021452A1 (en) * 1993-03-24 1994-09-29 E.I. Du Pont De Nemours And Company Wet-laid sheet material and composites thereof

Also Published As

Publication number Publication date
JPH11502274A (en) 1999-02-23
NO974311L (en) 1997-11-11
DE69704302D1 (en) 2001-04-26
ES2157059T3 (en) 2001-08-01
DE69704302T2 (en) 2001-11-22
KR19980703222A (en) 1998-10-15
ATE199947T1 (en) 2001-04-15
BR9704627A (en) 1999-09-21
NO974311D0 (en) 1997-09-18
AU705872B2 (en) 1999-06-03
EP0815307B1 (en) 2001-03-21
MX9707122A (en) 1997-11-29
US20010032696A1 (en) 2001-10-25
KR100410712B1 (en) 2004-04-28
AR005467A1 (en) 1999-06-23
WO1997026397A2 (en) 1997-07-24
NO313205B1 (en) 2002-08-26
FR2743822B1 (en) 1998-03-20
SK285063B6 (en) 2006-05-04
AU1447897A (en) 1997-08-11
CZ295597A3 (en) 1997-12-17
RU2178027C2 (en) 2002-01-10
SK127597A3 (en) 1998-06-03
CZ296304B6 (en) 2006-02-15
PL183409B1 (en) 2002-06-28
EP0815307A2 (en) 1998-01-07
PL322303A1 (en) 1998-01-19
CA2215491C (en) 2005-03-01
UA54387C2 (en) 2003-03-17
TW349905B (en) 1999-01-11
CN1086007C (en) 2002-06-05
NZ326389A (en) 1999-07-29
CA2215491A1 (en) 1997-07-24
DK0815307T3 (en) 2001-07-23
US7005024B2 (en) 2006-02-28
FR2743822A1 (en) 1997-07-25
CN1181793A (en) 1998-05-13

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